J. O'Brien-Whitmarsh plays as a midfielder for Southampton. J. O'Brien-Whitmarsh is a represents Republic of Ireland, 20 years old, midfielder, currently at Southampton. J. O'Brien-Whitmarsh wears shirt number 37 for Southampton. J. O'Brien-Whitmarsh was born in Cork, Republic of Ireland on 2005-05-11. J. O'Brien-Whitmarsh is 173 cm cm tall and weighs 73 kg kg. J. O'Brien-Whitmarsh's Sportra profile tracks season statistics across UEFA U19 Championship - Qualification, Premier Division, Premier League International Cup, FA Cup, and other leagues. J. O'Brien-Whitmarsh's page brings together career clubs, trophies, injury history, multi-competition stats, and related news headlines. On Sportra you can explore J. O'Brien-Whitmarsh season statistics, transfer history, trophies, injury updates, and related news across every competition tracked in the profile.